Blast Furnace Top Gas Recovery Turbine Unit (TRT)

Blast Furnace Gas Top Pressure Recovery Turbine Supply

TRT is a system device for recovering the gas pressure from blast furnace, which does not change the chemical composition of the gas and does not affect the follow-up use. Transformation of the energy can be used to generate electricity or drive other energy consumption equipment. It use of aero-engine turbo technology.

At present, the company's GT Series of TRT cover all models in the world of the blast furnace, installed capacity from 3000kW to 38000kW, more than 300 sets have already been put into operation.

Axial Compressor Supply

Axial flow compressor uses high speed rotating impeller (blade group) work on the gas. It is an industrial power device for converting mechanical energy into gas pressure energy and heat energy. Axial flow compressor is composed of shell, static blade cylinder, adjusting cylinder, rotor, shaft seal, oil seal, bearing, import lap, diffuser, servo oil cylinder, a balancing pipe and a base.

At present, the company's axial compressor outlet up to 0.85 MPa, maximum air flow rate 10000Nm3/min, applicable to more than 380 m3 all blast furnace and 300 thousand tons / year scale and above all catalytic cracking, more than 30 sets have already been put into operation.

Types & Specification of Axial Compressor

Compressor and TRT Combination (CTC) Supply

1. Product introduction

CTC three unit "is composed of the axial flow compressor, residual pressure turbine power generation equipment, axial flow compressor. 

2. CTC Advantages

a. Lower investment

The original TRT and axial flow compressor two systems are combined into an integrated system in the coaxial unit of the CTC three unit. Each auxiliary system is composed of the original two sets, the cost is greatly saved, and also can save the price of more expensive generators. The combined system can save about 30% of the construction cost, save the land area of about 30%, reduce the management of human input about 30%.

b. higher effiency

The simplification of the energy conversion process will make the energy recovery rate increase from 5% to 8%, with the energy loss of the motor and the power loss of the power network and the line loss.

c. No interconnection

For most of the iron and steel enterprises, gained the right of TRT power grid is relatively difficult, strict government approval, approval cycle length, high stability requirements, three machine coaxial TRT recovery of direct energy to mechanical energy in the form of driven axial flow compressor, without grid.

d. Reduce operating cost

Iron and steel enterprises will put power into the electricity grid, then take power from the electricity grid, due to send electricity price is higher than get electricity price, cost has a loss. This technology can be used to avoid the the cost of the loss coming from price difference, reduce operating costs. For the CTC 6.5mw unit installed capacity of the turbine, the light festival about cost of up to more than 500 million yuan.

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